2 problems

Unbounded denominators conjecture for noncongruence modular forms
Unbounded denominators conjecture. The Fourier coefficients of $f$ have unbounded denominators. Equivalently, for every positive integer $n$ , the Fourier coefficients of $nf$ are n…
openFrom papersfourier-coefficients modular-forms noncongruence
0 responses
10
Noncongruence conjecture for nonabelian finite simple groups
Noncongruence conjecture. Every nonabelian finite simple group $G$ is noncongruence.
openFrom papersfinite-groups modular-curves noncongruence
0 responses
5

Unbounded denominators conjecture for noncongruence modular forms